My friend would then turn to me, quiet and pale, and would say, ’No, sir; that is impossible: I cannot do it, because it is wrong;’ and would become immutable as a fixed star.

My task was a very hard one; but, as I was absolutely resolved — as my cousins saw at length that my mind was really and immutably fixed on making a just division of the property — as they must in their own hearts have felt the equity of the intention; and must, besides, have been innately conscious that in my place they would have done precisely what I wished to do — they yielded at length so far as to consent to put the affair to arbitration.

There are no more uses of "immutable" in the book.

Show samples from other sources

It is one of the immutable laws of physics.

We tend to think that history is written in stone, that it’s unchanging, immutable, fixed. But history isn’t a one-way conversation; it’s a continuing dialogue between the past and the present.